Mixing bowl



FIG. 1 is a perspective view of a mixing bowl according to the design;

FIG. 2 is a front elevation view thereof, a back elevation view being identical thereto;

FIG. 3 is a right side elevation view thereof, a left side elevation view being identical thereto;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The portions of the article shown in even broken line form no part of the claimed design.

The portions of the article shown in dash-dot-dash broken lines adjacent unshaded areas represent bounds of the claimed design and form no part thereof. 

CLAIM The ornamental design for a mixing bowl, as shown and described. 